package day02;

public class LongDemo {
    public static void main(String[] args) {
        long e=1000000000*2*10L;
        long f=1000000000L*3*10;
        long g=1000000000*3*10L;


        long a=20L;
        //long b=10000000000;
        long c=10000000000L;
        //long d=3.14;
        double b=3.150;
        float h=3.01f;
        System.out.println(a*b);
        System.out.println(a*h);
    }
}
